A. failed B. finished C. tried D. changed
请帮忙给出正确答案和分析，谢谢！
A．usedB．offeredC．triedD．attempted
A．didB．builtC．triedD．conducted
回答（61）题 查看材料A.taughtB.believedC.triedD.allowed
【C20】A．completedB．finishedC．fulfilledD．enjoyed
【C7】A．failedB．droppedC．fallenD．missed
【C14】A．failedB．droppedC．fallenD．missed
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